<template>
    <div>
        <home-header></home-header>
        <home-swiper :swiperList="swiperList"></home-swiper>
        <home-icons :iconList="iconList"></home-icons>
        <home-recommend :recommendList="recommendList"></home-recommend>
        <home-weekend :weekendList="weekendList"></home-weekend>
    </div>
</template>

<script>
import HomeHeader from './components/header'
import HomeSwiper from './components/swiper'
import HomeIcons from './components/icons'
import HomeRecommend from './components/recommend'
import HomeWeekend from './components/weekend'
import axios from 'axios'
import { mapState } from 'vuex'

export default {
    name: 'Home',
    components: {
        HomeHeader,
        HomeSwiper,
        HomeIcons,
        HomeRecommend,
        HomeWeekend
    },
    data(){
        return{
            lastCity: '',
            swiperList: [],
            iconList: [],
            recommendList: [],
            weekendList: []
        }
    },
    methods: {
        getHomeInfo(){
            axios.get('/api/index.json?city=' + this.city).then((res)=>{
                res = res.data
                if(res.ret && res.data){
                    const data = res.data
                    this.swiperList = data.swiperList
                    this.iconList = data.iconList
                    this.recommendList = data.recommendList
                    this.weekendList = data.weekendList
                }
            })
        }
    },
    computed: {
        ...mapState(['city'])
    },
    mounted(){  //通过挂载生命周期钩子函数完成ajax请求
        this.lastCity = this.city
        this.getHomeInfo()
    },
    activated(){  //keepalive新增的生命周期函数，页面重新显示时执行
        if(this.lastCity != this.city){
            this.lastCity = this.city
            this.getHomeInfo()
        }
    }
}
</script>

<style>

</style>


